Finding the Fourth Proportional to 1,906,908.60, 2,860,354.26 and 645,606.84
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Solution
The fourth proportional to 1,906,908.60, 2,860,354.26 and 645,606.84 is: 968,407.33
Step by Step Solution
- Step 1: Write the proportion equation
1,906,908.60 : 2,860,354.26 = 645,606.84 : x - Step 2: Convert to fraction form
1,906,908.60/2,860,354.26 = 645,606.84/x - Step 3: Cross multiply
1,906,908.60x = 2,860,354.26 × 645,606.84 - Step 4: Simplify right side
1,906,908.60x = 1,846,664,275,079.14 - Step 5: Solve for x
x = 1,846,664,275,079.14/1,906,908.60 - Step 6: Final answer
x = 968,407.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.